BSS_Elephant grass biomass

#02
Julho, 2020
energybss.com/magazine

Figure 3. Stockyard of the elephant grass biomass. São Desidério/BA. Photo: Saulo Coelho

Characteristics
Vinasse
(before biodigestion)
Vinasse
(after biodigestion )
pH 4 6.9
COD (g L -1 ) 29 9
N total (g L -1 N) 0.55 0.6
N ammoniacal (g L -1 ) 0.04 0.22
Potassium (g L -1 K2O) 1.4 1.4
Phosphor (g L -1 P2O5) 0.017 0.032
Sulfate (g L -1 ) 0.45 0.032
Characteristic
Value
Nitrogen 784 mg L -1
Potassium 3,900 mg L -1
Phosphorus 265 mg L -1
Calcium 139 mg L -1
Magnesium 396 mg L -1
pH 5.78
Conductivity 10,612 mS cm -1
Organic Carbon 17,974 mg L -1
Brix (° C) 4.9
Sucrose 264 mg L -1
Glucose 468 mg L -1
Fructose 404 mg L -1
Aconitic Acid
1,700 ppm
Lactic Acid
21,710 ppm
Acetic Acid
9,115 ppm
Propionic Acid
3,435 ppm
Glycerol
21,265 ppm
Ethanol
0.037 °GL